129826557

素因数分解:

$3^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{571}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 222585792

約数和(自身を除く): 92759235

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 401, 567, 571, 1203, 1713, 2807, 3609, 3997, 5139, 8421, 10827, 11991, 15417, 25263, 32481, 35973, 46251, 75789, 107919, 227367, 228971, 323757, 686913, 1602797, 2060739, 4808391, 6182217, 14425173, 18546651, 43275519, 129826557]

約数ペア:

[(1, 129826557), (3, 43275519), (7, 18546651), (9, 14425173), (21, 6182217), (27, 4808391), (63, 2060739), (81, 1602797), (189, 686913), (401, 323757), (567, 228971), (571, 227367), (1203, 107919), (1713, 75789), (2807, 46251), (3609, 35973), (3997, 32481), (5139, 25263), (8421, 15417), (10827, 11991)]